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tensor.news grades benchmarks and tags model claims by evidence status. Every fact carries a source record and provenance. Scores are framed as task performance under a disclosed harness, never as deployed capability.

← Models

Claude Sonnet 4

Anthropic·released 2025-05-22

independently reproduced

Scored on 21 benchmarks. 24% of its scores are independently reproduced — the rest are self-reported or unverified.

21
Benchmarks scored
0
SOTA leads
84.37
Best score
24%
Reproduced
5 of 21

Benchmark fingerprint

Every score, ranked, colored by evidence status.

  • MATH level 5
    84.37
  • GPQA diamond
    72.25
  • OTIS Mock AIME 2024-2025
    71.08
  • Aider polyglot
    61.3
  • DeepResearch Bench
    47.8
  • Fiction.LiveBench
    46.9
  • WeirdML
    46.11
  • OSWorld
    43.9
  • ARC-AGI
    40
  • GeoBench
    37
  • Cybench
    35
  • SimpleBench
    34.6
  • The Agent Company
    33.1
  • APEX-Agents
    9.3
  • FrontierMath-2025-02-28-Private
    7.26
  • ARC-AGI-2
    5.93
  • GSO-Bench
    4.9
  • HLE
    3.11
  • VPCT
    1
  • CritPt
    0.29
  • FrontierMath-Tier-4-2025-07-01-Private
    0

All benchmark scores

BenchmarkScoreEvidence statusMeasured
MATH level 584.37accuracy (%)reproduced· optimized2025-05-22
GPQA diamond72.25accuracy (%)reproduced· optimized2025-05-22
OTIS Mock AIME 2024-202571.08accuracy (%)reproduced· optimized2025-05-22
Aider polyglot61.3accuracy (%)unverified· optimized2025-05-22
DeepResearch Bench47.8accuracy (%)unverified2025-05-22
Fiction.LiveBench46.9accuracy (%)unverified2025-05-22
WeirdML46.11accuracy (%)unverified2025-05-22
OSWorld43.9accuracy (%)unverified· optimized2025-05-22
ARC-AGI40accuracy (%)unverified· optimized2025-05-22
GeoBench37accuracy (%)unverified2025-05-22
Cybench35accuracy (%)unverified· optimized2025-05-22
SimpleBench34.6accuracy (%)unverified2025-05-22
The Agent Company33.1accuracy (%)unverified2025-05-22
APEX-Agents9.3accuracy (%)unverified2025-05-22
FrontierMath-2025-02-28-Private7.26accuracy (%)reproduced· optimized2025-05-22
ARC-AGI-25.93accuracy (%)unverified2025-05-22
GSO-Bench4.9accuracy (%)unverified2025-05-22
HLE3.11accuracy (%)unverified2025-05-22
VPCT1accuracy (%)unverified2025-05-22
CritPt0.29accuracy (%)unverified2025-05-22
FrontierMath-Tier-4-2025-07-01-Private0accuracy (%)reproduced2025-05-22
21 source records · epoch_benchmarks. Every score is evidence-linked.

Follow the record

More from Anthropic

  • Claude Fable 599.72
  • Claude Opus 4.898.33
  • Claude Opus 4.797.8
  • Claude Sonnet 4.597.73
  • Claude Haiku 4.596.36
  • Claude Opus 4.694.44